Revert r240270 ("Fixed/added namespace ending comments using clang-tidy").

llvm-svn: 240353
diff --git a/clang/unittests/Tooling/RefactoringCallbacksTest.cpp b/clang/unittests/Tooling/RefactoringCallbacksTest.cpp
index ea4d8da..c2b331c 100644
--- a/clang/unittests/Tooling/RefactoringCallbacksTest.cpp
+++ b/clang/unittests/Tooling/RefactoringCallbacksTest.cpp
@@ -96,5 +96,5 @@
       Callback);
 }
 
-} // namespace tooling
+} // end namespace ast_matchers
 } // end namespace clang